00568cam a2200181 4500 100282360 TxAuBib 20070420120000.0 050417s2005||||||||||||||||||||||||eng|u 15636 Project Gutenberg PGUSA eng TxAuBib Pickering, Edward Charles. The Future of Astronomy [Gutenberg] / by Edward Charles, 1846-1919 Pickering. Project Gutenberg, 2005. Project Gutenberg. Freely available. Electronic text. http://www.gutenberg.org/license Rights